Re: [Xen-devel] [PATCH] x86/emul: Fix the emulation of invlpga

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.02.18 at 11:38, <andrew.cooper3@xxxxxxxxxx> wrote:
> The instruction requires EFER.SVME set to be usable in the first place.
> 
> Furthermore, the emulation doesn't handle ASIDs, so avoid giving the
> impression that they work.  Permit ASID 0 which is reserved for non-root
> mode (in which case the instruction is identical to invlpg), but raise #UD for
> any other ASID.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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